Brady BMP21-PLUS Handheld Label Printer with Rubber Bumpers, Multi-Line Print, 6 to 40 Point Font Handheld printer with keyboard creates multi-line labels for clear identification of wires, panels, circuit boards, and other industrial items, and has a tough exterior with molded rubber bumpers for impact resistance Keyboard contains letters A to Z and numbers 0 to 9, and the text displays on the LCD screen as it is typed Text prints in a single color and in 6 font sizes (6 to 40 point) Continuous tape cartridges (sold separately) enable labels of varying widths Six AA alkaline batteries power the printer for portability